You can observe a lot of things from space.' 'Another thing is communication, in real time, especially in war-like situations ...

Strange, quasi-circular circles structures called coronae scour the surface of Venus — but their origins are a mystery.

With the discovery of ever more exoplanets—over 6,000 now—scientists, of course, want to know if they are habitable for life.

In a new study, scientists have shown that chemical receptors that plants use to recognize nitrogen-fixing bacteria have ...